target/arm: Merge regime_is_secure into get_phys_addr

This is the last use of regime_is_secure; remove it
entirely before changing the layout of ARMMMUIdx.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221001162318.153420-9-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 files changed